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Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.22 by jsr166, Tue Dec 1 22:51:44 2009 UTC vs.
Revision 1.39 by jsr166, Sun Oct 4 06:05:53 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–
10	–	import junit.framework.*;
11	–	import java.util.*;
12	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.math.BigInteger;
11	<	import java.security.*;
10	>
11	>	import java.security.PrivilegedAction;
12	>	import java.security.PrivilegedExceptionAction;
13	>	import java.util.ArrayList;
14	>	import java.util.Collections;
15	>	import java.util.List;
16	>	import java.util.concurrent.AbstractExecutorService;
17	>	import java.util.concurrent.ArrayBlockingQueue;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CancellationException;
20	>	import java.util.concurrent.CountDownLatch;
21	>	import java.util.concurrent.ExecutionException;
22	>	import java.util.concurrent.Executors;
23	>	import java.util.concurrent.ExecutorService;
24	>	import java.util.concurrent.Future;
25	>	import java.util.concurrent.ThreadPoolExecutor;
26	>	import java.util.concurrent.TimeUnit;
27	>	import java.util.concurrent.atomic.AtomicBoolean;
28	>
29	>	import junit.framework.Test;
30	>	import junit.framework.TestSuite;
31
32		public class AbstractExecutorServiceTest extends JSR166TestCase {
33		public static void main(String[] args) {
34	<	junit.textui.TestRunner.run (suite());
34	>	main(suite(), args);
35		}
36		public static Test suite() {
37		return new TestSuite(AbstractExecutorServiceTest.class);
#	Line 29 | Line 44 | public class AbstractExecutorServiceTest
44		static class DirectExecutorService extends AbstractExecutorService {
45		public void execute(Runnable r) { r.run(); }
46		public void shutdown() { shutdown = true; }
47	<	public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
47	>	public List<Runnable> shutdownNow() {
48	>	shutdown = true;
49	>	return Collections.EMPTY_LIST;
50	>	}
51		public boolean isShutdown() { return shutdown; }
52		public boolean isTerminated() { return isShutdown(); }
53	<	public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
53	>	public boolean awaitTermination(long timeout, TimeUnit unit) {
54	>	return isShutdown();
55	>	}
56		private volatile boolean shutdown = false;
57		}
58
#	Line 41 | Line 61 | public class AbstractExecutorServiceTest
61		*/
62		public void testExecuteRunnable() throws Exception {
63		ExecutorService e = new DirectExecutorService();
64	<	TrackedShortRunnable task = new TrackedShortRunnable();
65	<	assertFalse(task.done);
66	<	Future<?> future = e.submit(task);
67	<	future.get();
68	<	assertTrue(task.done);
64	>	final AtomicBoolean done = new AtomicBoolean(false);
65	>	Future<?> future = e.submit(new CheckedRunnable() {
66	>	public void realRun() {
67	>	done.set(true);
68	>	}});
69	>	assertNull(future.get());
70	>	assertNull(future.get(0, MILLISECONDS));
71	>	assertTrue(done.get());
72	>	assertTrue(future.isDone());
73	>	assertFalse(future.isCancelled());
74		}
75
51	–
76		/**
77		* Completed submit(callable) returns result
78		*/
#	Line 79 | Line 103 | public class AbstractExecutorServiceTest
103		assertSame(TEST_STRING, result);
104		}
105
82	–
106		/**
107	<	* A submitted privileged action to completion
107	>	* A submitted privileged action runs to completion
108		*/
109		public void testSubmitPrivilegedAction() throws Exception {
110	<	Policy savedPolicy = null;
111	<	try {
112	<	savedPolicy = Policy.getPolicy();
113	<	AdjustablePolicy policy = new AdjustablePolicy();
91	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
92	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
93	<	Policy.setPolicy(policy);
94	<	} catch (AccessControlException ok) {
95	<	return;
96	<	}
97	<	try {
98	<	ExecutorService e = new DirectExecutorService();
99	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
110	>	Runnable r = new CheckedRunnable() {
111	>	public void realRun() throws Exception {
112	>	ExecutorService e = new DirectExecutorService();
113	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
114		public Object run() {
115		return TEST_STRING;
116		}}));
117
118	<	Object result = future.get();
119	<	assertSame(TEST_STRING, result);
120	<	}
121	<	finally {
122	<	try {
123	<	Policy.setPolicy(savedPolicy);
124	<	} catch (AccessControlException ok) {
111	<	return;
112	<	}
113	<	}
118	>	assertSame(TEST_STRING, future.get());
119	>	}};
120	>
121	>	runWithPermissions(r,
122	>	new RuntimePermission("getClassLoader"),
123	>	new RuntimePermission("setContextClassLoader"),
124	>	new RuntimePermission("modifyThread"));
125		}
126
127		/**
128	<	* A submitted a privileged exception action runs to completion
128	>	* A submitted privileged exception action runs to completion
129		*/
130		public void testSubmitPrivilegedExceptionAction() throws Exception {
131	<	Policy savedPolicy = null;
132	<	try {
133	<	savedPolicy = Policy.getPolicy();
134	<	AdjustablePolicy policy = new AdjustablePolicy();
124	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
125	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
126	<	Policy.setPolicy(policy);
127	<	} catch (AccessControlException ok) {
128	<	return;
129	<	}
130	<
131	<	try {
132	<	ExecutorService e = new DirectExecutorService();
133	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
131	>	Runnable r = new CheckedRunnable() {
132	>	public void realRun() throws Exception {
133	>	ExecutorService e = new DirectExecutorService();
134	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
135		public Object run() {
136		return TEST_STRING;
137		}}));
138
139	<	Object result = future.get();
140	<	assertSame(TEST_STRING, result);
141	<	}
142	<	finally {
142	<	Policy.setPolicy(savedPolicy);
143	<	}
139	>	assertSame(TEST_STRING, future.get());
140	>	}};
141	>
142	>	runWithPermissions(r);
143		}
144
145		/**
146		* A submitted failed privileged exception action reports exception
147		*/
148		public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
149	<	Policy savedPolicy = null;
150	<	try {
151	<	savedPolicy = Policy.getPolicy();
152	<	AdjustablePolicy policy = new AdjustablePolicy();
154	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
155	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
156	<	Policy.setPolicy(policy);
157	<	} catch (AccessControlException ok) {
158	<	return;
159	<	}
160	<
161	<	try {
162	<	ExecutorService e = new DirectExecutorService();
163	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
149	>	Runnable r = new CheckedRunnable() {
150	>	public void realRun() throws Exception {
151	>	ExecutorService e = new DirectExecutorService();
152	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
153		public Object run() throws Exception {
154		throw new IndexOutOfBoundsException();
155		}}));
156
157	<	future.get();
158	<	shouldThrow();
159	<	} catch (ExecutionException success) {
160	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
161	<	}
162	<	finally {
163	<	Policy.setPolicy(savedPolicy);
164	<	}
157	>	try {
158	>	future.get();
159	>	shouldThrow();
160	>	} catch (ExecutionException success) {
161	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
162	>	}}};
163	>
164	>	runWithPermissions(r);
165		}
166
167		/**
168		* execute(null runnable) throws NPE
169		*/
170		public void testExecuteNullRunnable() {
171	+	ExecutorService e = new DirectExecutorService();
172		try {
183	–	ExecutorService e = new DirectExecutorService();
173		e.submit((Runnable) null);
174		shouldThrow();
175		} catch (NullPointerException success) {}
176		}
177
189	–
178		/**
179		* submit(null callable) throws NPE
180		*/
181		public void testSubmitNullCallable() {
182	+	ExecutorService e = new DirectExecutorService();
183		try {
195	–	ExecutorService e = new DirectExecutorService();
184		e.submit((Callable) null);
185		shouldThrow();
186		} catch (NullPointerException success) {}
187		}
188
189		/**
190	<	* submit(runnable) throws RejectedExecutionException if
203	<	* executor is saturated.
204	<	*/
205	<	public void testExecute1() {
206	<	ThreadPoolExecutor p =
207	<	new ThreadPoolExecutor(1, 1,
208	<	60, TimeUnit.SECONDS,
209	<	new ArrayBlockingQueue<Runnable>(1));
210	<	try {
211	<	for (int i = 0; i < 2; ++i)
212	<	p.submit(new MediumRunnable());
213	<	for (int i = 0; i < 2; ++i) {
214	<	try {
215	<	p.submit(new MediumRunnable());
216	<	shouldThrow();
217	<	} catch (RejectedExecutionException success) {}
218	<	}
219	<	} finally {
220	<	joinPool(p);
221	<	}
222	<	}
223	<
224	<	/**
225	<	* submit(callable) throws RejectedExecutionException
226	<	* if executor is saturated.
190	>	* submit(callable).get() throws InterruptedException if interrupted
191		*/
192	<	public void testExecute2() {
193	<	ThreadPoolExecutor p =
194	<	new ThreadPoolExecutor(1, 1,
195	<	60, TimeUnit.SECONDS,
196	<	new ArrayBlockingQueue<Runnable>(1));
197	<	try {
198	<	for (int i = 0; i < 2; ++i)
199	<	p.submit(new MediumRunnable());
200	<	for (int i = 0; i < 2; ++i) {
201	<	try {
202	<	p.submit(new SmallCallable());
203	<	shouldThrow();
204	<	} catch (RejectedExecutionException success) {}
205	<	}
192	>	public void testInterruptedSubmit() throws InterruptedException {
193	>	final CountDownLatch submitted    = new CountDownLatch(1);
194	>	final CountDownLatch quittingTime = new CountDownLatch(1);
195	>	final ExecutorService p
196	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
197	>	new ArrayBlockingQueue<Runnable>(10));
198	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
199	>	public Void realCall() throws InterruptedException {
200	>	quittingTime.await();
201	>	return null;
202	>	}};
203	>	try {
204	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
205	>	public void realRun() throws Exception {
206	>	Future<Void> future = p.submit(awaiter);
207	>	submitted.countDown();
208	>	future.get();
209	>	}});
210	>	t.start();
211	>	submitted.await();
212	>	t.interrupt();
213	>	t.join();
214		} finally {
215	+	quittingTime.countDown();
216		joinPool(p);
217		}
218		}
219
247	–
220		/**
221	<	*  Blocking on submit(callable) throws InterruptedException if
222	<	*  caller interrupted.
251	<	*/
252	<	public void testInterruptedSubmit() throws InterruptedException {
253	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
254	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
255	<	public void realRun() throws Exception {
256	<	p.submit(new CheckedCallable<Object>() {
257	<	public Object realCall()
258	<	throws InterruptedException {
259	<	Thread.sleep(SMALL_DELAY_MS);
260	<	return null;
261	<	}}).get();
262	<	}});
263	<
264	<	t.start();
265	<	Thread.sleep(SHORT_DELAY_MS);
266	<	t.interrupt();
267	<	joinPool(p);
268	<	}
269	<
270	<	/**
271	<	*  get of submitted callable throws InterruptedException if callable
272	<	*  interrupted
273	<	*/
274	<	public void testSubmitIE() throws InterruptedException {
275	<	final ThreadPoolExecutor p =
276	<	new ThreadPoolExecutor(1, 1,
277	<	60, TimeUnit.SECONDS,
278	<	new ArrayBlockingQueue<Runnable>(10));
279	<
280	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
281	<	public void realRun() throws Exception {
282	<	p.submit(new SmallCallable()).get();
283	<	}});
284	<
285	<	t.start();
286	<	Thread.sleep(SHORT_DELAY_MS);
287	<	t.interrupt();
288	<	t.join();
289	<	joinPool(p);
290	<	}
291	<
292	<	/**
293	<	*  get of submit(callable) throws ExecutionException if callable
294	<	*  throws exception
221	>	* get of submit(callable) throws ExecutionException if callable
222	>	* throws exception
223		*/
224		public void testSubmitEE() throws InterruptedException {
225		ThreadPoolExecutor p =
#	Line 300 | Line 228 | public class AbstractExecutorServiceTest
228		new ArrayBlockingQueue<Runnable>(10));
229
230		Callable c = new Callable() {
231	<	public Object call() { return 5/0; }};
231	>	public Object call() { throw new ArithmeticException(); }};
232
233		try {
234		p.submit(c).get();
#	Line 314 | Line 242 | public class AbstractExecutorServiceTest
242		/**
243		* invokeAny(null) throws NPE
244		*/
245	<	public void testInvokeAny1()
318	<	throws InterruptedException, ExecutionException {
245	>	public void testInvokeAny1() throws Exception {
246		ExecutorService e = new DirectExecutorService();
247		try {
248		e.invokeAny(null);
#	Line 329 | Line 256 | public class AbstractExecutorServiceTest
256		/**
257		* invokeAny(empty collection) throws IAE
258		*/
259	<	public void testInvokeAny2()
333	<	throws InterruptedException, ExecutionException {
259	>	public void testInvokeAny2() throws Exception {
260		ExecutorService e = new DirectExecutorService();
261		try {
262		e.invokeAny(new ArrayList<Callable<String>>());
#	Line 346 | Line 272 | public class AbstractExecutorServiceTest
272		*/
273		public void testInvokeAny3() throws Exception {
274		ExecutorService e = new DirectExecutorService();
275	<	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
276	<	l.add(new Callable<Integer>() {
277	<	public Integer call() { return 5/0; }});
275	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
276	>	l.add(new Callable<Long>() {
277	>	public Long call() { throw new ArithmeticException(); }});
278		l.add(null);
279		try {
280		e.invokeAny(l);
#	Line 475 | Line 401 | public class AbstractExecutorServiceTest
401		}
402		}
403
478	–
404		/**
405		* timed invokeAny(null) throws NPE
406		*/
#	Line 525 | Line 450 | public class AbstractExecutorServiceTest
450		*/
451		public void testTimedInvokeAny3() throws Exception {
452		ExecutorService e = new DirectExecutorService();
453	<	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
454	<	l.add(new Callable<Integer>() {
455	<	public Integer call() { return 5/0; }});
453	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
454	>	l.add(new Callable<Long>() {
455	>	public Long call() { throw new ArithmeticException(); }});
456		l.add(null);
457		try {
458		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 663 | Line 588 | public class AbstractExecutorServiceTest
588		l.add(new StringTask());
589		l.add(new StringTask());
590		List<Future<String>> futures =
591	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
591	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
592		assertEquals(2, futures.size());
593		for (Future<String> future : futures)
594		assertSame(TEST_STRING, future.get());
#	Line 675 | Line 600 | public class AbstractExecutorServiceTest
600		/**
601		* timed invokeAll cancels tasks not completed by timeout
602		*/
603	<	public void testTimedInvokeAll6() throws InterruptedException {
603	>	public void testTimedInvokeAll6() throws Exception {
604		ExecutorService e = new DirectExecutorService();
605		try {
606	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
607	<	l.add(new StringTask());
608	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
609	<	l.add(new StringTask());
610	<	List<Future<String>> futures =
611	<	e.invokeAll(l, SMALL_DELAY_MS, MILLISECONDS);
612	<	assertEquals(3, futures.size());
613	<	Iterator<Future<String>> it = futures.iterator();
614	<	Future<String> f1 = it.next();
615	<	Future<String> f2 = it.next();
616	<	Future<String> f3 = it.next();
617	<	assertTrue(f1.isDone());
618	<	assertFalse(f1.isCancelled());
619	<	assertTrue(f2.isDone());
620	<	assertTrue(f3.isDone());
621	<	assertTrue(f3.isCancelled());
606	>	for (long timeout = timeoutMillis();;) {
607	>	List<Callable<String>> tasks = new ArrayList<>();
608	>	tasks.add(new StringTask("0"));
609	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
610	>	TEST_STRING));
611	>	tasks.add(new StringTask("2"));
612	>	long startTime = System.nanoTime();
613	>	List<Future<String>> futures =
614	>	e.invokeAll(tasks, timeout, MILLISECONDS);
615	>	assertEquals(tasks.size(), futures.size());
616	>	assertTrue(millisElapsedSince(startTime) >= timeout);
617	>	for (Future future : futures)
618	>	assertTrue(future.isDone());
619	>	try {
620	>	assertEquals("0", futures.get(0).get());
621	>	assertEquals(TEST_STRING, futures.get(1).get());
622	>	} catch (CancellationException retryWithLongerTimeout) {
623	>	// unusual delay before starting second task
624	>	timeout *= 2;
625	>	if (timeout >= LONG_DELAY_MS / 2)
626	>	fail("expected exactly one task to be cancelled");
627	>	continue;
628	>	}
629	>	assertTrue(futures.get(2).isCancelled());
630	>	break;
631	>	}
632		} finally {
633		joinPool(e);
634		}

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